22432666 has 8 divisors (see below), whose sum is σ = 33764724. Its totient is φ = 11177760.

The previous prime is 22432661. The next prime is 22432691. The reversal of 22432666 is 66623422.

It can be written as a sum of positive squares in 2 ways, for example, as 15563025 + 6869641 = 3945^2 + 2621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22432661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18555 + ... + 19726.

Almost surely, 2^22432666 is an apocalyptic number.

22432666 is a deficient number, since it is larger than the sum of its proper divisors (11332058).

22432666 is a wasteful number, since it uses less digits than its factorization.

22432666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38576.

The product of its digits is 20736, while the sum is 31.

The square root of 22432666 is about 4736.3135453642. The cubic root of 22432666 is about 282.0289107392.

The spelling of 22432666 in words is "twenty-two million, four hundred thirty-two thousand, six hundred sixty-six".